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.\" $FreeBSD: net/sctp_getassocid.3 202176 2010-01-12 21:45:03Z brueffer $
.\"
.Dd December 15, 2006
.Dt SCTP_GETASSOCID 3
.Os
.Sh NAME
.Nm sctp_getassocid
.Nd return an association id for a specified socket address.
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/socket.h
.In netinet/sctp.h
.Ft sctp_assoc_t
.Fn sctp_getassocid "int s" "struct sockaddr *addr"
.Sh DESCRIPTION
The
.Fn sctp_getassocid
call attempts to look up the specified socket address
.Fa addr
and find the respective association identification. 
.Pp
.Sh RETURN VALUES
The call returns the association id upon success and
0 is returned upon failure.
.Sh ERRORS
The
.Fn sctp_getassocid
function can return the following errors:
.Bl -tag -width Er
.It Bq Er ENOENT
The address does not have an association setup to it.
.It Bq Er EBADF
The argument
.Fa s
is not a valid descriptor.
.It Bq Er ENOTSOCK
The argument
.Fa s
is not a socket.
.El
.Sh SEE ALSO
.Xr sctp 4
